EP2345775B1 - Panel and fastening system for panels - Google Patents

Panel and fastening system for panels Download PDF

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Publication number
EP2345775B1
EP2345775B1 EP10178642.4A EP10178642A EP2345775B1 EP 2345775 B1 EP2345775 B1 EP 2345775B1 EP 10178642 A EP10178642 A EP 10178642A EP 2345775 B1 EP2345775 B1 EP 2345775B1
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EP
European Patent Office
Prior art keywords
hook
panel
element
panels
elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10178642.4A
Other languages
German (de)
French (fr)
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EP2345775A1 (en
Inventor
Hans-Jürgen HANNIG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzenta Paneele and Profile GmbH
Original Assignee
Akzenta Paneele and Profile GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
Priority to DE10138285A priority Critical patent/DE10138285A1/en
Application filed by Akzenta Paneele and Profile GmbH filed Critical Akzenta Paneele and Profile GmbH
Priority to EP02754315A priority patent/EP1415056B1/en
Priority to EP06000431A priority patent/EP1669512B9/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7694376&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2345775(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of EP2345775A1 publication Critical patent/EP2345775A1/en
Publication of EP2345775B1 publication Critical patent/EP2345775B1/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/02038Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/0008Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge
    • F16B5/0012Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge a tongue on the edge of one sheet, plate or panel co-operating with a groove in the edge of another sheet, plate or panel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/0032Joining sheets, plates or panels in abutting relationship by moving the sheets, plates, or panels or the interlocking key parallel to the abutting edge
    • F16B5/0044Joining sheets, plates or panels in abutting relationship by moving the sheets, plates, or panels or the interlocking key parallel to the abutting edge and using interlocking keys of circular, square, rectangular or like shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/0056Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels or the interlocking key perpendicular to the main plane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/0056Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels or the interlocking key perpendicular to the main plane
    • F16B5/0064Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels or the interlocking key perpendicular to the main plane and using C-shaped clamps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/008Joining sheets, plates or panels in abutting relationship by a rotating or sliding and rotating movement
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/026Non-undercut connections, e.g. tongue and groove connections with rabbets, e.g. being stepped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/03Undercut connections, e.g. using undercut tongues or grooves
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/04Other details of tongues or grooves
    • E04F2201/042Other details of tongues or grooves with grooves positioned on the rear-side of the panel
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0517U- or C-shaped brackets and clamps
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0523Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/16Two dimensionally sectional layer
    • Y10T428/163Next to unitary web or sheet of equal or greater extent
    • Y10T428/164Continuous two dimensionally sectional layer
    • Y10T428/167Cellulosic sections [e.g., parquet floor, etc.]

Description

  • The invention relates to a panel, in particular floor panel, wherein the panel is square and tabular and wherein on the narrow sides of the panel retaining profiles are arranged, namely first and second retaining profiles, with oppositely arranged retaining profiles match each other so that a plurality of panels are connected to each other the oppositely disposed first retaining profiles are formed so that a new panel is lockable to a first-row panel in the second row by the new panel initially added in an inclined position relative to the lying panel to the lying panel and subsequently in the plane of lying Panel is pivoted down, and wherein the oppositely disposed second retaining profiles have corresponding hook elements, wherein one of the hook elements of the new panel and a hook element of an already in the second row lying panel by pivoting down the new Paneels a hook connection can be produced.
  • A simple panel with a fastening system is out of the DE 199 29 896 A1 and the WO 01/02669 A1 known. It is characteristic of such a fastening system that the first and second holding profiles used have very different geometries and thus also the joining methods of the various holding profiles are very different. In particular, the second retaining profiles formed as hook elements, which are joined together to form a hook connection, harbor a technical problem. Although the known hook connection secures Floor panels good against even sliding apart at right angles to the narrow sides of the connected panels. However, it does not provide satisfactory resistance to disengagement of the hook elements in a direction perpendicular to the laying plane of the panels.
  • Such a fastening system for so-called laminate flooring, which has a core of wood-based material, such as MDF, HDF or chipboard material, is preferably used. The mechanical holding profiles are usually milled to the narrow sides of wood-based panels.
  • Laminate flooring is mainly laid floating. In order to reduce impact sound, a padding-sound insulating intermediate layer is usually arranged between the laying substrate and the laminate panels. It is also known that a footfall sound insulating layer is fixedly mounted on the underside facing the laying surface of laminate panels.
  • Particularly problematic is the hook connection of the known fastening system when in the region of a hook connection only that panel is subjected to a large load, the hook element is at the bottom, namely facing the laying surface. The hooked with this overhead hook element of the adjacent panel is not loaded therefore is pressed by the load only the panel with the underlying hook element in the mostly soft impact sound insulating liner. In this case, the overhead hook element of the unloaded panel separates from the underlying hook element of the adjacent panel. The hook connection is out of order and the function usually can not be restored.
  • According to the prior art undercuts are integrated into the hook connection, by which a release of the hook connection is to be prevented perpendicular to the laying plane of the panels. However, these undercuts have proven inadequate proven to give this type of fasteners sufficient strength.
  • Further prior art forms the WO 96/27719 A , which relates to a panel with a lock, wherein a tongue and groove connection is provided and a means by which a release of the tongue and groove connection is to be prevented.
  • The WO 84/02155 A as well as the WO 98/40583 A disclose building panels or panels with tongue and groove connection and an additional fastening clip, which is arranged on the back or bottom and holds together two building panels or panels.
  • WO 00/47841 A suggests a panel with four edges. Each two opposite edges are complementary. One embodiment comprises an additional blocking element with resilient properties. Complementary edges of the panels are joined together by a lowering movement of one of the panels.
  • From the US 5,274,979 A are insulating panels with edges known that fit into each other form-fitting. An embodiment comprises an element (engaging member) which fits into a recess of connected plates and holds the plates together in the laying plane.
  • WO 99/66151 A relates to a locking system for tongue and groove joint floor panels, wherein a plurality of vertical planes are defined to define the configuration of the tongue and groove.
  • WO 01/75247 A is filed earlier than the present invention but has been published after its filing date and therefore has no relevance to the question of inventive step. The publication describes a floor covering made of plate-shaped square or rectangular floor elements. Each floor element has two types of complementary retaining profiles, of which one pair is connectable to one rotary movement and the other pair is simultaneously mounted vertically.
  • From the WO 01/51732 A1 a generic fastening system is known which has an additional blocking element. The locking element must be inserted after the locking of the hook elements subsequently at the junction. This requires an additional operation. Furthermore, the mounting of the blocking element prepares problems when a row of panels is very close to a wall. There is insufficient space for the blocking element to insert it at the joint.
  • The invention has for its object to provide a panel for a fastening system, with two panels, a hook connection can be produced, which does not solve even when a load on the panel with the underlying hook member and the overhead hook element of the adjacent panel without load is.
  • According to the invention the object is achieved in that an additional locking element is pre-mounted on one of the hook elements, and that the additional locking element in the hooked state of two panels prevents disengagement of the hook connection in a direction perpendicular to the plane of the laid panels, wherein the blocking element formed as a claw piece is and is arranged in the hooked state of two panels between engaging behind hook surfaces of the hook elements, wherein the claw piece has claw elements which engage in the hooked state of two panels in the surface of the hook surfaces and prevent vertical movement apart of the hook elements. The blocking element may be a very simple component, for which there are a variety of structural configurations gives. It may be a blocking element which is pre-mounted on one of the hook elements or a loose blocking element.
  • Preferably, a space for the claw piece is provided between the engaging behind hook surfaces, so that too strong constraints between the hook elements are avoided.
  • Furthermore, it is useful if the claw piece is locked in a recess provided for this purpose of the narrow side protruding and the top of the panel facing hook element and in the assembled state of the hook connection beginning at the recess to over the hook surface at the protruding from the narrow side and the top the panel facing hook element is nestled.
  • The recess for the claw piece may simply be arranged on the part of the hook element projecting from the narrow side and facing the top side of the panel, which engages behind the corresponding hook element, wherein the opening of the recess faces on a surface of the side projecting from the narrow side and facing the top side of the panel Hook element is arranged, which is turned to the laying surface, and wherein the claw piece is bent in the mounted state of the hook connection such that it projects between the engaging behind hook surfaces.
  • The handling of the claw piece is simplified in that it is L-shaped, and that a first leg of the L-shaped claw piece in the recess of the protruding from the narrow side and the top of the panel facing hook element is inserted and a second provided with the claw elements Leg in the direction of the hook surface of the same Hook element points. In this case, the latter leg is automatically bent during assembly into the space of the engaging behind hook surfaces.
  • A panel with a fastening system according to the invention has two different types of holding profiles interacting with one another. Those holding profiles, over which the individual laying rows of a floor are locked together, have retaining profiles which are locked according to the principle: obliquely applying a new panel and then pivoting down the same. The type of holding profile required for this purpose makes it possible to mechanically lock a new panel by means of a hinge-like pivoting movement on a laid row of panels. The individual rows of panels are thereby secured against level pulling in a direction perpendicular to the locked retaining profiles.
  • At the other two narrow sides of a panel holding profiles are mounted in the form of hook elements, wherein a first hook element protrudes from the narrow side and facing the laying surface in the installed state and the second hook member protrudes from the narrow side and the decorative top of the panel faces. Both hook elements of a hook connection are secured by an additional locking element against a movement apart perpendicular to the plane of the laid panels.
  • The invention is illustrated by way of example in a drawing and described in detail with reference to FIGS.
  • Show it:
  • Fig. 1
    a perspective view of a holding profile, which is to lock mechanically by obliquely applying a new panel and then lowering in the laying plane,
    Fig. 2
    the oblique attachment of the holding profiles according to FIG. 1 .
    Fig. 3
    the holding profiles according to FIG. 1 in the locked state,
    Fig. 4
    Holding profiles in the form of hook elements according to the prior art,
    Fig. 5-10
    Embodiments of a hook connection with one or more additional locking elements with a rectangular cross-section,
    Fig. 11-14
    a construction of a hook connection with one or more additional blocking elements, which have a round cross-section,
    Fig. 15/16
    Embodiments of a hook connection with locking elements, which are embedded in the installed state of the panels in such areas of the hook elements, which are approximately horizontal,
    Fig. 17-20
    an embodiment of a hook connection with a locking element with a resilient latching tab which engages automatically during assembly of the hook connection in an associated latching recess
    Fig. 21
    a hook connection with a locking element designed as a claw piece,
    Fig. 22
    a hook connection with a locking element formed as a clamp on the underside of the panels,
    Fig. 23
    another locking element with a resilient locking tab and a locking groove which is adapted to receive the locking element,
    Fig. 24
    a hook connection with the locking element according to Fig. 23 during the joining process,
    Fig. 25
    a hook connection with the locking element according to Fig. 23 in the locked state,
    Fig. 26
    a hook connection with the same locking grooves and the same locking recess, as in accordance with Fig. 25 wherein the locking tab locking element is replaced by a blocking element with a round cross section.
  • The embodiments of the FIGS. 5 to 20 and 22 to 26 are not covered by claim 1. However, they serve to better understand the invention.
  • To FIG. 1 The drawing is a kind of holding profiles of the fastening system 1 according to the invention shown in perspective. At the respective opposite narrow side of panels 2 and 3 corresponding holding profiles are provided so that the adjacent panels 2 and 3 can be connected together. In this type of holding profiles is a modified tongue and groove joint, in which the spring 4 engages behind an undercut in the lower groove wall of the groove 5, so that both panels 2 and 3 laid in the installed state against a pulling in the plane of the laid Panels 2 and 3 and are secured perpendicular to the direction of the locked narrow sides.
  • FIG. 2 shows the oblique attachment of a new panel 2. In this case, the spring 4 of the new panel 2 is always brought in the direction of arrow P1 with the groove 5 of the laid panel 3 into engagement and the new panel 2 then swung down on the laying surface V until the in FIG. 3 shown situation is reached. It is easily understood that a curved portion 4a of the cross section of the spring 4 has a recess curved in cross section 5a in the lower groove wall 5b of the groove 5 engages behind such that a flat sliding apart of the panels 2 and 3 is prevented perpendicular to the locked narrow sides.
  • On the remaining narrow sides of a panel 2 and 3, which is equipped with the fastening system 1 according to the invention, corresponding retaining profiles with hook elements 6 and 7 are provided. These have the advantage that they are at the same time with the locking of the according to Figures 1-3 described holding profiles, spring 4 and groove 5, after oblique piecing hooked by a pivoting down of the new panel 2 on the laying substrate V together. Any kind of lateral joining movement is not required for the production of the resulting hook connection 8.
  • The according to FIG. 4 shown hook connection 8 device disengaged. This example, on uneven ground, with air between the panels and the laying substrate V and then when a soft impact sound insulating liner 9 between the panels and laying substrate V is arranged. In FIG. 4 illustrates the symbolically shown weight 11, as a panel, the hook element facing the laying surface, under the load of a weight 11 in a soft impact sound insulating liner 9 sinks. This results in a height offset 12 on the surface of the panels 2 and 10.
  • The Figures 5-10 represent different embodiments of hook connections 8, which are all locked with an additional locking element 13. The blocking element 13 prevents the hook connection 8 from moving apart in a direction perpendicular to the plane of the laid panels 2 and 10 FIG. 4 prevents the additional blocking element 13 a height offset of the hooked panels 2 and 10. The blocking element 13 has in the embodiments of Figures 5-10 a rectangular cross section. For receiving the blocking element 13 locking grooves 14 and 15 are provided, which are exactly opposite in the hooked state of the hook elements 6 and 7 so that a common locking recess 16 results, in which the blocking element 13 is inserted in a direction perpendicular to the plane of the drawing shown. The embodiment according to FIG. 5 shows a free space 17 between the free end of the hook member 7, which faces the laying substrate V, and the narrow side of the associated panel second
  • In FIG. 6 however, no game is provided in the same place. Instead, an undercut connection 18 is also provided here, which also locks in a direction perpendicular to the plane of the laid panels 2 and 10. On the panel 2, the hook element 6 faces the surface, the hook member 6 on a freely protruding surface of the narrow side, the locking groove 14, whereas the locking groove 15 of the opposite hook member 7 of the hook connection 8 is provided on a recessed surface 19 of the hook member 7 , The same applies to the embodiment according to FIG. 6 ,
  • The FIGS. 7 and 8 show examples of a hook connection 8, in which an additional blocking element 22 is provided on the narrow side on the freely projecting surface 20 of a hook element 7, which faces the laying substrate V. At the corresponding hook element 6, the locking groove 15 is accordingly arranged on a rearward surface 21 of the hook element 6 on the narrow side of the panel 2. FIG. 7 shows an example in which the hook elements 6 and 7 have a free space 17 in the region of the locking element 22. According to FIG. 8 In contrast, no free space 17 between the hook elements 6 and 7 is provided in the area of the blocking element 22. Instead, an undercut connection 18 increases the strength of the hook connection 8 against sliding apart in a direction perpendicular to the plane of the laid panels 2 and 10.
  • According to FIGS. 9 and 10 are shown constructions in which each hook connection 8 is equipped with two locking elements 13 and 22. According to FIG. 9 the positions of the locking elements 13 and 22 are off FIG. 5 and FIG. 7 combined. In FIG. 10 are the positions of the locking elements 13 and 22 according to FIGS. 6 and 8th combined. FIG. 9 is another example of a hook connection 8, in which the laying element V facing the hook element 7 at its free end has a gap 17 to the narrow side of the hook member 6 of the adjacent panel 2, whereas FIG. 10 in the same place an undercut connection 18 provides.
  • According to Figures 11-14 Locking elements are provided with a round cross-section. According to FIG. 11 a locking groove having a semicircular cross-section is integrally formed on the outer free end of the hook element 6, which faces the upper side of the panel 2. On the corresponding hook element 7, a locking groove 24 is accordingly attached to a recessed surface 19 of the hook element 7, so that the two locking grooves 23 and 24 together result in a locking recess 25 with a circular cross-section, in which a blocking element 26 is arranged. The same applies to the embodiment according to FIG. 12 , In FIG. 11 is provided between the laying substrate V facing hook element 7 of a panel 10 and a recessed surface 21 of the hook member 6 on the narrow side of the adjacent panel 2, a free gap 17, whereas according to FIG. 12 an undercut connection 18 is integrated in the same place.
  • In contrast to Fig. 12 is according to FIG. 13 the location for a circular locking element 27 is displaced to the free end of a hook element 7 of a panel 10. A locking groove 28 of the corresponding hook element 6 is accordingly on a rear side of the surface 21 of the adjacent panel 2 provided. FIG. 13 is an example that the locking member 27 may be provided at a location where a free gap 17 is provided between the outer free end of the lower hook member 7 and the opposite surface 21 of the corresponding hook member 6. An embodiment without clearance 17, with flat abutting flat surfaces and an embodiment with an undercut connection 18 according to the lower hook element 7 of FIG. 12 can also be equipped with a locking recess and a blocking element 27.
  • According to FIG. 14 a particularly strong hook connection 8 is shown in which two locking elements 26 and 27 are used with a circular cross section. The locations of the blocking elements 26 and 27 are taken together from the embodiments according to FIG. 11 and FIG. 13 ,
  • In FIGS. 15 and 16 the laid state of panels 2 and 10 is shown with a finished hook connection 8. In this case, blocking grooves 30, 31, 32 and 33 are provided in areas which are approximately parallel to the plane of the laid panels. Again, the locking grooves 30 and 32 of a hook member 6 and the locking grooves 31 and 33 of the corresponding hook member 7 are arranged so that they are exactly opposite each other and together form a Sperrausnehmung in which a locking element 34 and 35 is arranged. Both according to FIG. 15 as well as according to FIG. 16 it is possible to dispense with one of the locking elements 34 and 35 and the corresponding locking recess in order to simplify the geometry. Since the blocking elements 34 and 35 must prevent the hook connections 8 from moving apart in a direction perpendicular to the plane of the panels 2 and 10, the blocking elements 34 and 35 are designed such that they laterally engage in the groove walls of the blocking grooves 30, 31, 32 and 33 fix. In the illustrated embodiments, protruding claw elements 34a and 35a are provided for this purpose on the surface of the locking elements. These can also be after Be formed type of barbs, wherein the barbs are arranged in the one blocking groove 30 and the barbs in the opposite locking groove 31 of the same locking recess opposite. The same applies to the barbs in the locking grooves 32 and 33.
  • Another embodiment of a hook connection 8 is in the FIGS. 17-20 shown. FIG. 17 shows a loose locking element 36 with a resilient latching tab 37, which is widely spread in the illustrated relaxed state. FIG. 18 shows the gradual joining of the hook connection 8 in the direction of the arrow P2. In this case, the blocking element 36 according to FIG. 17 in a groove 38 in the freely protruding surface 38 a of the upper hook element 6 is inserted. The resilient latching tab 37 is folded back by the joining movement itself. Once the hook connection 8 the in FIG. 19 The locking tab 37 of the locking element 36 automatically springs into a locking recess 39 of the corresponding hook element 7. In the position shown, the locking tab 37 is spread far less than in her after Fig. 17 shown relaxed position so that it permanently exerts a spring pressure against the locking recess 39 and the hook connection 8 securely locked.
  • The blocking element 36 can be used by a laying craftsman as a loose element in the designated groove 38 of the upper hook member 6 or pre-assembled on the hook member 6 by the manufacturer. The blocking element 36 may extend over the entire length of the narrow side of a panel or only over part of the length of the narrow side. In the exemplary embodiment, it extends from one end of the narrow side over half its length.
  • In FIG. 19 is shown that on both sides of the locking tab 37 free spaces are available. These can serve, for example, for the purpose of disassembly of the panels 2 and 10, the blocking element 36 with the help of a pair of needle-nose pliers to pull out of the hook connection 8 and thereby unlock them.
  • The FIGS. 18 and 19 again show a construction in which the laying substrate V facing hook element 7 at its outer end has a free space 17 to the corresponding hook element 6.
  • A further embodiment of the hook connection with a blocking element, which has an automatic latching tab, is in FIG. 20 shown. The only difference to the embodiment after FIGS. 18 and 19 is that the laying substrate V facing hook element 7 of the panel 10 at its free outer end has no clearance 17 to the corresponding hook element 6 of the connected panel 2. Instead, an undercut connection 18 is again provided, which, like the blocking element 36, prevents the hook connection 8 from moving apart in a direction perpendicular to the plane of the laid-down panels 2 and 10.
  • Another construction of a fastening system 1 according to Fig. 21 a blocking element in the form of a claw piece 40, which is arranged in the assembled state between engaging behind hook surfaces 41 and 42 of the hook elements 6 and 7. The claw piece 40 has claw elements 40 a, which engage in the surface of the hook surfaces 41 and 42 and prevent vertical movement apart of the hook elements 6 and 7. In order to make room for the Krallstück 40 and to avoid constraints between the hook elements 6 and 7, a free gap 43 is formed between the engaging behind hook surfaces 41 and 42. In the presentation of the Fig. 21 the claw piece 40 is shown in the assembled state of the hook connection 8. The claw piece 40 is fastened in a recess 44 provided for this purpose of the hook element 6 and nestles, starting at the recess 44, over the hook surface 41 on the hook element 6 at. The recess 44 for the claw piece 40 is arranged on the part of the hook element 6 which engages behind the corresponding hook element 7, the opening of the recess 44 being arranged on a surface 45 of the hook element 6 facing the laying surface. The claw piece 40 is bent over in such a way that it projects into the intermediate space 43, which is formed by the hooking surfaces 41 and 42 engaging behind each other.
  • The claw piece 40 is L-shaped prior to assembly. A first leg of the L-shaped Krallstücks inserted in the recess 44 of the hook member 6. The second leg is provided with the claw elements and has approximately perpendicular to the narrow side of the panel 10 before mounting away. The latter leg is automatically bent into the space 43 of the engaging behind hook surfaces 41 and 42 during assembly.
  • In the Fig. 22 shown last construction of the fastening system according to the invention makes use of a locking element in the form of a bracket 46 use. For this purpose, each panel 2 and 10 on its underside facing the laying substrate V undercut Bodenausnehmungen 47 and 48, one of which is arranged in the region of each hook member 6 and 7 on the underside of the panel 2 and 10 respectively. In a respective bottom recesses 47 and 48 of two adjacent panels 2 and 10, a bracket 46 engages. In order for the bracket 46 to prevent the hook connection 8 from moving apart in a direction perpendicular to the plane of the laid panels 2 and 20, each floor recess 47 and 48 has an undercut. To Fig. 22 is the undercut of the bottom recess 47 of a first panel 2 in the assembled state of two panels aligned opposite to the undercut of the bottom recess 48 of a second panel 10. The bracket 46 is U-shaped. It is understood that the clip 46 also locks a flat lateral sliding apart at right angles to the hook elements 6 and 7 of the narrow side of the panels 2 and 10 and thus supports the function of the hook connection 8.
  • Fig. 23 shows a blocking element 50 with a special cross-section, which in practice by the in Fig. 26 Locking element 51 shown can be replaced. The latter blocking element 51 has a simple round cross section. Also shows Fig. 23 an empty locking groove 52 in which the locking element 51 is captively receivable. The captive safety ensures during handling of a panel 2 and during the hooking of the hook connection 8 according to arrow direction P3, that the blocking element 50 does not fall out of the locking groove 52. So that an exchange of the locking elements 50 and 51 is possible, the locking grooves 52 and 53 provided in the hook elements 6 and 7 are adapted in a special way to the geometry of the different locking elements 50 and 51.
  • The blocking element 50 is a development of the in Fig. 17 It has a locking tab 54 which in Fig. 23 is shown in a widely spread relaxed state. On a back 55, the blocking element 50 has a round shape, which is in accordance with Fig. 24 fitting into the locking groove 52 of the hook member 6 inserts. The blocking element 50 is provided with holding elements 56 and 57, by means of which it can be secured captively in the blocking groove 52 of the hook element 6. The holding elements 56 and 57 also serve to prevent slippage or twisting of the locking element 50 in the locking groove 52 or in the locking recess 58 formed by the locking grooves 52 and 53. The holding elements 56 and 57 are formed in the present embodiment as a blunt cam. At the empty locking groove 52 of the Fig. 23 It can be seen that it has at the edges of its semicircular cross section material recesses 56a and 57a, which serve to receive the holding elements 56 and 57. The dimension A indicated on the locking groove 52 is made slightly smaller than the dimension B indicated on the blocking element 50. This causes the captive clamping of the blocking element 50 in the locking groove 52. In another Embodiment, the holding elements of the locking element 50 as barbs or claw elements are formed (not shown), which can be fixed in a part of the groove wall of the locking groove 52, and hold the locking element 50 captive on the hook member 6. The material recesses in the locking groove 52 are not required in this embodiment.
  • Fig. 24 shows the joining process of a hook connection 8. A panel 2 is namely pivoted down according to arrow P3 on the laying surface V, whereby the hook elements 6 and 7 of the panels 2 and 10 hooked together. It is readily apparent that the locking member 50 is securely held in the locking groove 52 while the hook members are connected in the manner described. Once the free end of the locking tab 54 has passed an upper edge 53a of the locking groove 53, the locking tab 54 automatically springs into the locking groove 53, which serves as a detent recess and locks the hook connection.
  • LIST OF REFERENCE NUMBERS
  • 1
    fastening system
    2
    paneling
    3
    paneling
    4
    feather
    4a
    curved area
    5
    groove
    5a
    curved recess
    5b
    lower groove wall
    6
    hook element
    7
    hook element
    8th
    hook connection
    9
    Impact sound insulating liner
    10
    paneling
    11
    Weight
    12
    height offset
    13
    blocking element
    14
    locking groove
    15
    locking groove
    16
    locking recess
    17
    gap
    18
    undercut connection
    19
    receding surface
    20
    protruding surface
    21
    receding surface
    22
    blocking element
    23
    locking groove
    24
    locking groove
    25
    locking recess
    26
    blocking element
    27
    blocking element
    28
    blocking element
    30
    locking groove
    31
    locking groove
    32
    locking groove
    33
    locking groove
    34
    blocking element
    34a
    Krall element
    35
    blocking element
    35a
    Krall element
    36
    blocking element
    37
    snap tab
    38
    groove
    38a
    protruding surface
    39
    latching depression
    40
    claw component
    40a
    Krall element
    41
    hook surface
    42
    hook surface
    43
    gap
    44
    recess
    45
    area
    46
    clip
    47
    bottom recess
    48
    bottom recess
    50
    blocking element
    51
    blocking element
    52
    locking groove
    53
    locking groove
    54
    snap tab
    55
    move
    56
    retaining element
    57
    retaining element
    58
    locking recess
    A
    measure
    B
    measure
    P1
    arrow
    P2
    arrow
    P3
    arrow
    V
    Subfloor

Claims (5)

  1. Panel, especially floor panel, whereat the panel is designed rectangular and tabular and whereat retaining profiles are disposed on the small faces of said panels (2, 3, 10), namely first and second retaining profiles, whereat oppositely arranged retaining profiles match said retaining profiles in such a manner that several panels (2, 3, 10) can be interlinked, whereat the oppositely arranged first retaining profiles are configured in such a manner that, on a panel (2, 3, 10) lying in the first row, a new panel (2) can be interlocked in second row by attaching the new panel (2) to the lying panel (3) at a temporary angle relative to the lying panel (3) and then swivelling down into the plane of the lying panel (3), and whereat the oppositely arranged second retaining elements comprise corresponding hook elements (6, 7), whereat a hook connection (8) can be established by means of one of the hook elements (6, 7) of the new panel (2) and a hook element (6, 7) of the panel (3) that is already lying in second row by swivelling down the new panel (2), characterised in that an additional locking element (40) is pre-mounted at one of the hook elements, and that the additional locking element in the hooked state of two panels (2, 3, 10) prevents the hook connection (8) from being released in a direction perpendicular to the plane of the installed panels (2, 3, 10), whereat the locking element is designed as a claw component (40) and, in installed state, is located between interlocking hook surfaces (41, 42) of the hook elements (6, 7), whereat the claw component displays claw elements (40a), which in the hooked state of two panel grip into the top surface of hook surfaces and prevents vertical separation of hook elements.
  2. Panel according to Claim 1, characterised in that a space (43) for the claw component (40) is provided between the interlocking hook surfaces (41, 42).
  3. Panel according to claim 2, characterised in that the claw piece (40) is mounted in a recess (44) provided for this purpose in the hook element (6) which hook element protrudes from the small face and faces the upper side of the panel, and in the mounted state of the hook connection (8) the claw piece beginning at the recess (44) and extending over the hook surface (41) is nestled to the hook element (6) which hook element protrudes from the small face and faces the upper side of the panel.
  4. Panel according to Claim 2 or 3, characterised in that the recess (44) for the claw component (40) is located on the part of the hook element (6) that engages the corresponding hook element (7), where the opening of the recess (44) is located on a surface (45) of the hook element (6) that faces the base surface (V) and where, in the assembled state of the hook connection (8), the claw component (40) is bent in such a way that it projects into the space (43) between the engaging hook surfaces (41, 42).
  5. Panel according to Claim 4, characterised in that the claw component (40) is of L-shaped design and in that a first leg of the L-shaped claw component (40) can be inserted in the recess (44) of the hook element (6) and a second leg points in the direction of the hook surface of the same hook element, where the second leg is automatically drawn into the space (43) between the engaging hook surfaces during installation.
EP10178642.4A 2001-08-10 2002-07-04 Panel and fastening system for panels Active EP2345775B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE10138285A DE10138285A1 (en) 2001-08-10 2001-08-10 Panel and fastening system for panels
EP02754315A EP1415056B1 (en) 2001-08-10 2002-07-04 Panel and fastening system for panels
EP06000431A EP1669512B9 (en) 2001-08-10 2002-07-04 Locking element for use in a hook connection between rectangular, tabular panels

Related Parent Applications (4)

Application Number Title Priority Date Filing Date
EP06000431A Division EP1669512B9 (en) 2001-08-10 2002-07-04 Locking element for use in a hook connection between rectangular, tabular panels
EP02754315A Division EP1415056B1 (en) 2001-08-10 2002-07-04 Panel and fastening system for panels
EP02754315.6 Division 2002-07-04
EP06000431.4 Division 2006-01-10

Publications (2)

Publication Number Publication Date
EP2345775A1 EP2345775A1 (en) 2011-07-20
EP2345775B1 true EP2345775B1 (en) 2018-06-20

Family

ID=7694376

Family Applications (6)

Application Number Title Priority Date Filing Date
EP08100112.5A Active EP1953309B1 (en) 2001-08-10 2002-07-04 Fastening system for panels and panel with the fastening system
EP10157450.7A Active EP2194210B1 (en) 2001-08-10 2002-07-04 Panel and fastening system for panels
EP10158660A Active EP2196596B1 (en) 2001-08-10 2002-07-04 Fastening system for panels
EP02754315A Active EP1415056B1 (en) 2001-08-10 2002-07-04 Panel and fastening system for panels
EP06000431A Active EP1669512B9 (en) 2001-08-10 2002-07-04 Locking element for use in a hook connection between rectangular, tabular panels
EP10178642.4A Active EP2345775B1 (en) 2001-08-10 2002-07-04 Panel and fastening system for panels

Family Applications Before (5)

Application Number Title Priority Date Filing Date
EP08100112.5A Active EP1953309B1 (en) 2001-08-10 2002-07-04 Fastening system for panels and panel with the fastening system
EP10157450.7A Active EP2194210B1 (en) 2001-08-10 2002-07-04 Panel and fastening system for panels
EP10158660A Active EP2196596B1 (en) 2001-08-10 2002-07-04 Fastening system for panels
EP02754315A Active EP1415056B1 (en) 2001-08-10 2002-07-04 Panel and fastening system for panels
EP06000431A Active EP1669512B9 (en) 2001-08-10 2002-07-04 Locking element for use in a hook connection between rectangular, tabular panels

Country Status (11)

Country Link
US (5) US7451578B2 (en)
EP (6) EP1953309B1 (en)
AT (2) AT506507T (en)
CA (1) CA2456513C (en)
DE (7) DE10138285A1 (en)
DK (3) DK1415056T3 (en)
ES (5) ES2364848T3 (en)
PL (3) PL410328A1 (en)
PT (3) PT2196596E (en)
RU (1) RU2265703C1 (en)
WO (1) WO2003016654A1 (en)

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DK2194210T3 (en) 2014-09-15
ES2683146T3 (en) 2018-09-25
EP1415056A1 (en) 2004-05-06
CA2456513C (en) 2008-09-23
DE20222005U1 (en) 2010-08-19
DE20122778U1 (en) 2007-10-25
ES2364848T9 (en) 2012-04-17
US20110088346A1 (en) 2011-04-21
DE20122553U1 (en) 2006-03-23
AT506507T (en) 2011-05-15
EP2345775A1 (en) 2011-07-20
US20140150369A1 (en) 2014-06-05
PL367767A1 (en) 2005-03-07
EP1953309B1 (en) 2018-06-20
RU2004107124A (en) 2005-09-10
PL201803B1 (en) 2009-05-29
CA2456513A1 (en) 2003-02-27
US8631621B2 (en) 2014-01-21
EP1669512B9 (en) 2012-01-04
ES2500919T3 (en) 2014-10-01
EP1669512A2 (en) 2006-06-14
PL410328A1 (en) 2015-08-17
US7451578B2 (en) 2008-11-18
PT1953309T (en) 2018-10-18
DE50215024D1 (en) 2011-06-01
EP1415056B1 (en) 2006-01-11
ES2413581T3 (en) 2013-07-17
DE10138285A1 (en) 2003-03-06
DK1415056T3 (en) 2006-05-29
PL383455A1 (en) 2005-03-07
DE20222006U1 (en) 2010-07-29
US8024904B2 (en) 2011-09-27
PT2196596E (en) 2013-06-03
US20080010938A1 (en) 2008-01-17
EP1669512A3 (en) 2007-05-09
EP1669512B1 (en) 2011-04-20
US8132384B2 (en) 2012-03-13
WO2003016654A1 (en) 2003-02-27
DE50205596D1 (en) 2006-04-06
EP2194210A1 (en) 2010-06-09
PL220197B1 (en) 2015-09-30
EP1953309A1 (en) 2008-08-06
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US20040211143A1 (en) 2004-10-28
ES2254713T3 (en) 2006-06-16

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